Remove the MUSB USB2.0 OTG-compliant USB host controller
device model. This was only used by the tusb6010 USB
controller in the n800/n810 machines.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20240903160751.4100218-35-peter.maydell@linaro.org
---
include/hw/usb/hcd-musb.h | 49 --
hw/usb/hcd-musb.c | 1553 -------------------------------------
hw/usb/Kconfig | 4 -
hw/usb/meson.build | 1 -
4 files changed, 1607 deletions(-)
delete mode 100644 include/hw/usb/hcd-musb.h
delete mode 100644 hw/usb/hcd-musb.c
diff --git a/include/hw/usb/hcd-musb.h b/include/hw/usb/hcd-musb.h
deleted file mode 100644
index 4d4b1ec0fc2..00000000000
--- a/include/hw/usb/hcd-musb.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * "Inventra" High-speed Dual-Role Controller (MUSB-HDRC), Mentor Graphics,
- * USB2.0 OTG compliant core used in various chips.
- *
- * Only host-mode and non-DMA accesses are currently supported.
- *
- * Copyright (C) 2008 Nokia Corporation
- * Written by Andrzej Zaborowski <balrog@zabor.org>
- *
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-#ifndef HW_USB_HCD_MUSB_H
-#define HW_USB_HCD_MUSB_H
-
-#include "exec/hwaddr.h"
-
-enum musb_irq_source_e {
- musb_irq_suspend = 0,
- musb_irq_resume,
- musb_irq_rst_babble,
- musb_irq_sof,
- musb_irq_connect,
- musb_irq_disconnect,
- musb_irq_vbus_request,
- musb_irq_vbus_error,
- musb_irq_rx,
- musb_irq_tx,
- musb_set_vbus,
- musb_set_session,
- /* Add new interrupts here */
- musb_irq_max /* total number of interrupts defined */
-};
-
-/* TODO convert hcd-musb to QOM/qdev and remove MUSBReadFunc/MUSBWriteFunc */
-typedef void MUSBWriteFunc(void *opaque, hwaddr addr, uint32_t value);
-typedef uint32_t MUSBReadFunc(void *opaque, hwaddr addr);
-extern MUSBReadFunc * const musb_read[];
-extern MUSBWriteFunc * const musb_write[];
-
-typedef struct MUSBState MUSBState;
-
-MUSBState *musb_init(DeviceState *parent_device, int gpio_base);
-void musb_reset(MUSBState *s);
-uint32_t musb_core_intr_get(MUSBState *s);
-void musb_core_intr_clear(MUSBState *s, uint32_t mask);
-void musb_set_size(MUSBState *s, int epnum, int size, int is_tx);
-
-#endif
diff --git a/hw/usb/hcd-musb.c b/hw/usb/hcd-musb.c
deleted file mode 100644
index 6dca373cb1f..00000000000
--- a/hw/usb/hcd-musb.c
+++ /dev/null
@@ -1,1553 +0,0 @@
-/*
- * "Inventra" High-speed Dual-Role Controller (MUSB-HDRC), Mentor Graphics,
- * USB2.0 OTG compliant core used in various chips.
- *
- * Copyright (C) 2008 Nokia Corporation
- * Written by Andrzej Zaborowski <andrew@openedhand.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 or
- * (at your option) version 3 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- * Only host-mode and non-DMA accesses are currently supported.
- */
-#include "qemu/osdep.h"
-#include "qemu/timer.h"
-#include "hw/usb.h"
-#include "hw/usb/hcd-musb.h"
-#include "hw/irq.h"
-#include "hw/hw.h"
-
-/* Common USB registers */
-#define MUSB_HDRC_FADDR 0x00 /* 8-bit */
-#define MUSB_HDRC_POWER 0x01 /* 8-bit */
-
-#define MUSB_HDRC_INTRTX 0x02 /* 16-bit */
-#define MUSB_HDRC_INTRRX 0x04
-#define MUSB_HDRC_INTRTXE 0x06
-#define MUSB_HDRC_INTRRXE 0x08
-#define MUSB_HDRC_INTRUSB 0x0a /* 8 bit */
-#define MUSB_HDRC_INTRUSBE 0x0b /* 8 bit */
-#define MUSB_HDRC_FRAME 0x0c /* 16-bit */
-#define MUSB_HDRC_INDEX 0x0e /* 8 bit */
-#define MUSB_HDRC_TESTMODE 0x0f /* 8 bit */
-
-/* Per-EP registers in indexed mode */
-#define MUSB_HDRC_EP_IDX 0x10 /* 8-bit */
-
-/* EP FIFOs */
-#define MUSB_HDRC_FIFO 0x20
-
-/* Additional Control Registers */
-#define MUSB_HDRC_DEVCTL 0x60 /* 8 bit */
-
-/* These are indexed */
-#define MUSB_HDRC_TXFIFOSZ 0x62 /* 8 bit (see masks) */
-#define MUSB_HDRC_RXFIFOSZ 0x63 /* 8 bit (see masks) */
-#define MUSB_HDRC_TXFIFOADDR 0x64 /* 16 bit offset shifted right 3 */
-#define MUSB_HDRC_RXFIFOADDR 0x66 /* 16 bit offset shifted right 3 */
-
-/* Some more registers */
-#define MUSB_HDRC_VCTRL 0x68 /* 8 bit */
-#define MUSB_HDRC_HWVERS 0x6c /* 8 bit */
-
-/* Added in HDRC 1.9(?) & MHDRC 1.4 */
-/* ULPI pass-through */
-#define MUSB_HDRC_ULPI_VBUSCTL 0x70
-#define MUSB_HDRC_ULPI_REGDATA 0x74
-#define MUSB_HDRC_ULPI_REGADDR 0x75
-#define MUSB_HDRC_ULPI_REGCTL 0x76
-
-/* Extended config & PHY control */
-#define MUSB_HDRC_ENDCOUNT 0x78 /* 8 bit */
-#define MUSB_HDRC_DMARAMCFG 0x79 /* 8 bit */
-#define MUSB_HDRC_PHYWAIT 0x7a /* 8 bit */
-#define MUSB_HDRC_PHYVPLEN 0x7b /* 8 bit */
-#define MUSB_HDRC_HS_EOF1 0x7c /* 8 bit, units of 546.1 us */
-#define MUSB_HDRC_FS_EOF1 0x7d /* 8 bit, units of 533.3 ns */
-#define MUSB_HDRC_LS_EOF1 0x7e /* 8 bit, units of 1.067 us */
-
-/* Per-EP BUSCTL registers */
-#define MUSB_HDRC_BUSCTL 0x80
-
-/* Per-EP registers in flat mode */
-#define MUSB_HDRC_EP 0x100
-
-/* offsets to registers in flat model */
-#define MUSB_HDRC_TXMAXP 0x00 /* 16 bit apparently */
-#define MUSB_HDRC_TXCSR 0x02 /* 16 bit apparently */
-#define MUSB_HDRC_CSR0 MUSB_HDRC_TXCSR /* re-used for EP0 */
-#define MUSB_HDRC_RXMAXP 0x04 /* 16 bit apparently */
-#define MUSB_HDRC_RXCSR 0x06 /* 16 bit apparently */
-#define MUSB_HDRC_RXCOUNT 0x08 /* 16 bit apparently */
-#define MUSB_HDRC_COUNT0 MUSB_HDRC_RXCOUNT /* re-used for EP0 */
-#define MUSB_HDRC_TXTYPE 0x0a /* 8 bit apparently */
-#define MUSB_HDRC_TYPE0 MUSB_HDRC_TXTYPE /* re-used for EP0 */
-#define MUSB_HDRC_TXINTERVAL 0x0b /* 8 bit apparently */
-#define MUSB_HDRC_NAKLIMIT0 MUSB_HDRC_TXINTERVAL /* re-used for EP0 */
-#define MUSB_HDRC_RXTYPE 0x0c /* 8 bit apparently */
-#define MUSB_HDRC_RXINTERVAL 0x0d /* 8 bit apparently */
-#define MUSB_HDRC_FIFOSIZE 0x0f /* 8 bit apparently */
-#define MUSB_HDRC_CONFIGDATA MGC_O_HDRC_FIFOSIZE /* re-used for EP0 */
-
-/* "Bus control" registers */
-#define MUSB_HDRC_TXFUNCADDR 0x00
-#define MUSB_HDRC_TXHUBADDR 0x02
-#define MUSB_HDRC_TXHUBPORT 0x03
-
-#define MUSB_HDRC_RXFUNCADDR 0x04
-#define MUSB_HDRC_RXHUBADDR 0x06
-#define MUSB_HDRC_RXHUBPORT 0x07
-
-/*
- * MUSBHDRC Register bit masks
- */
-
-/* POWER */
-#define MGC_M_POWER_ISOUPDATE 0x80
-#define MGC_M_POWER_SOFTCONN 0x40
-#define MGC_M_POWER_HSENAB 0x20
-#define MGC_M_POWER_HSMODE 0x10
-#define MGC_M_POWER_RESET 0x08
-#define MGC_M_POWER_RESUME 0x04
-#define MGC_M_POWER_SUSPENDM 0x02
-#define MGC_M_POWER_ENSUSPEND 0x01
-
-/* INTRUSB */
-#define MGC_M_INTR_SUSPEND 0x01
-#define MGC_M_INTR_RESUME 0x02
-#define MGC_M_INTR_RESET 0x04
-#define MGC_M_INTR_BABBLE 0x04
-#define MGC_M_INTR_SOF 0x08
-#define MGC_M_INTR_CONNECT 0x10
-#define MGC_M_INTR_DISCONNECT 0x20
-#define MGC_M_INTR_SESSREQ 0x40
-#define MGC_M_INTR_VBUSERROR 0x80 /* FOR SESSION END */
-#define MGC_M_INTR_EP0 0x01 /* FOR EP0 INTERRUPT */
-
-/* DEVCTL */
-#define MGC_M_DEVCTL_BDEVICE 0x80
-#define MGC_M_DEVCTL_FSDEV 0x40
-#define MGC_M_DEVCTL_LSDEV 0x20
-#define MGC_M_DEVCTL_VBUS 0x18
-#define MGC_S_DEVCTL_VBUS 3
-#define MGC_M_DEVCTL_HM 0x04
-#define MGC_M_DEVCTL_HR 0x02
-#define MGC_M_DEVCTL_SESSION 0x01
-
-/* TESTMODE */
-#define MGC_M_TEST_FORCE_HOST 0x80
-#define MGC_M_TEST_FIFO_ACCESS 0x40
-#define MGC_M_TEST_FORCE_FS 0x20
-#define MGC_M_TEST_FORCE_HS 0x10
-#define MGC_M_TEST_PACKET 0x08
-#define MGC_M_TEST_K 0x04
-#define MGC_M_TEST_J 0x02
-#define MGC_M_TEST_SE0_NAK 0x01
-
-/* CSR0 */
-#define MGC_M_CSR0_FLUSHFIFO 0x0100
-#define MGC_M_CSR0_TXPKTRDY 0x0002
-#define MGC_M_CSR0_RXPKTRDY 0x0001
-
-/* CSR0 in Peripheral mode */
-#define MGC_M_CSR0_P_SVDSETUPEND 0x0080
-#define MGC_M_CSR0_P_SVDRXPKTRDY 0x0040
-#define MGC_M_CSR0_P_SENDSTALL 0x0020
-#define MGC_M_CSR0_P_SETUPEND 0x0010
-#define MGC_M_CSR0_P_DATAEND 0x0008
-#define MGC_M_CSR0_P_SENTSTALL 0x0004
-
-/* CSR0 in Host mode */
-#define MGC_M_CSR0_H_NO_PING 0x0800
-#define MGC_M_CSR0_H_WR_DATATOGGLE 0x0400 /* set to allow setting: */
-#define MGC_M_CSR0_H_DATATOGGLE 0x0200 /* data toggle control */
-#define MGC_M_CSR0_H_NAKTIMEOUT 0x0080
-#define MGC_M_CSR0_H_STATUSPKT 0x0040
-#define MGC_M_CSR0_H_REQPKT 0x0020
-#define MGC_M_CSR0_H_ERROR 0x0010
-#define MGC_M_CSR0_H_SETUPPKT 0x0008
-#define MGC_M_CSR0_H_RXSTALL 0x0004
-
-/* CONFIGDATA */
-#define MGC_M_CONFIGDATA_MPRXE 0x80 /* auto bulk pkt combining */
-#define MGC_M_CONFIGDATA_MPTXE 0x40 /* auto bulk pkt splitting */
-#define MGC_M_CONFIGDATA_BIGENDIAN 0x20
-#define MGC_M_CONFIGDATA_HBRXE 0x10 /* HB-ISO for RX */
-#define MGC_M_CONFIGDATA_HBTXE 0x08 /* HB-ISO for TX */
-#define MGC_M_CONFIGDATA_DYNFIFO 0x04 /* dynamic FIFO sizing */
-#define MGC_M_CONFIGDATA_SOFTCONE 0x02 /* SoftConnect */
-#define MGC_M_CONFIGDATA_UTMIDW 0x01 /* Width, 0 => 8b, 1 => 16b */
-
-/* TXCSR in Peripheral and Host mode */
-#define MGC_M_TXCSR_AUTOSET 0x8000
-#define MGC_M_TXCSR_ISO 0x4000
-#define MGC_M_TXCSR_MODE 0x2000
-#define MGC_M_TXCSR_DMAENAB 0x1000
-#define MGC_M_TXCSR_FRCDATATOG 0x0800
-#define MGC_M_TXCSR_DMAMODE 0x0400
-#define MGC_M_TXCSR_CLRDATATOG 0x0040
-#define MGC_M_TXCSR_FLUSHFIFO 0x0008
-#define MGC_M_TXCSR_FIFONOTEMPTY 0x0002
-#define MGC_M_TXCSR_TXPKTRDY 0x0001
-
-/* TXCSR in Peripheral mode */
-#define MGC_M_TXCSR_P_INCOMPTX 0x0080
-#define MGC_M_TXCSR_P_SENTSTALL 0x0020
-#define MGC_M_TXCSR_P_SENDSTALL 0x0010
-#define MGC_M_TXCSR_P_UNDERRUN 0x0004
-
-/* TXCSR in Host mode */
-#define MGC_M_TXCSR_H_WR_DATATOGGLE 0x0200
-#define MGC_M_TXCSR_H_DATATOGGLE 0x0100
-#define MGC_M_TXCSR_H_NAKTIMEOUT 0x0080
-#define MGC_M_TXCSR_H_RXSTALL 0x0020
-#define MGC_M_TXCSR_H_ERROR 0x0004
-
-/* RXCSR in Peripheral and Host mode */
-#define MGC_M_RXCSR_AUTOCLEAR 0x8000
-#define MGC_M_RXCSR_DMAENAB 0x2000
-#define MGC_M_RXCSR_DISNYET 0x1000
-#define MGC_M_RXCSR_DMAMODE 0x0800
-#define MGC_M_RXCSR_INCOMPRX 0x0100
-#define MGC_M_RXCSR_CLRDATATOG 0x0080
-#define MGC_M_RXCSR_FLUSHFIFO 0x0010
-#define MGC_M_RXCSR_DATAERROR 0x0008
-#define MGC_M_RXCSR_FIFOFULL 0x0002
-#define MGC_M_RXCSR_RXPKTRDY 0x0001
-
-/* RXCSR in Peripheral mode */
-#define MGC_M_RXCSR_P_ISO 0x4000
-#define MGC_M_RXCSR_P_SENTSTALL 0x0040
-#define MGC_M_RXCSR_P_SENDSTALL 0x0020
-#define MGC_M_RXCSR_P_OVERRUN 0x0004
-
-/* RXCSR in Host mode */
-#define MGC_M_RXCSR_H_AUTOREQ 0x4000
-#define MGC_M_RXCSR_H_WR_DATATOGGLE 0x0400
-#define MGC_M_RXCSR_H_DATATOGGLE 0x0200
-#define MGC_M_RXCSR_H_RXSTALL 0x0040
-#define MGC_M_RXCSR_H_REQPKT 0x0020
-#define MGC_M_RXCSR_H_ERROR 0x0004
-
-/* HUBADDR */
-#define MGC_M_HUBADDR_MULTI_TT 0x80
-
-/* ULPI: Added in HDRC 1.9(?) & MHDRC 1.4 */
-#define MGC_M_ULPI_VBCTL_USEEXTVBUSIND 0x02
-#define MGC_M_ULPI_VBCTL_USEEXTVBUS 0x01
-#define MGC_M_ULPI_REGCTL_INT_ENABLE 0x08
-#define MGC_M_ULPI_REGCTL_READNOTWRITE 0x04
-#define MGC_M_ULPI_REGCTL_COMPLETE 0x02
-#define MGC_M_ULPI_REGCTL_REG 0x01
-
-/* #define MUSB_DEBUG */
-
-#ifdef MUSB_DEBUG
-#define TRACE(fmt, ...) fprintf(stderr, "%s@%d: " fmt "\n", __func__, \
- __LINE__, ##__VA_ARGS__)
-#else
-#define TRACE(...)
-#endif
-
-
-static void musb_attach(USBPort *port);
-static void musb_detach(USBPort *port);
-static void musb_child_detach(USBPort *port, USBDevice *child);
-static void musb_schedule_cb(USBPort *port, USBPacket *p);
-static void musb_async_cancel_device(MUSBState *s, USBDevice *dev);
-
-static USBPortOps musb_port_ops = {
- .attach = musb_attach,
- .detach = musb_detach,
- .child_detach = musb_child_detach,
- .complete = musb_schedule_cb,
-};
-
-static USBBusOps musb_bus_ops = {
-};
-
-typedef struct MUSBPacket MUSBPacket;
-typedef struct MUSBEndPoint MUSBEndPoint;
-
-struct MUSBPacket {
- USBPacket p;
- MUSBEndPoint *ep;
- int dir;
-};
-
-struct MUSBEndPoint {
- uint16_t faddr[2];
- uint8_t haddr[2];
- uint8_t hport[2];
- uint16_t csr[2];
- uint16_t maxp[2];
- uint16_t rxcount;
- uint8_t type[2];
- uint8_t interval[2];
- uint8_t config;
- uint8_t fifosize;
- int timeout[2]; /* Always in microframes */
-
- uint8_t *buf[2];
- int fifolen[2];
- int fifostart[2];
- int fifoaddr[2];
- MUSBPacket packey[2];
- int status[2];
- int ext_size[2];
-
- /* For callbacks' use */
- int epnum;
- int interrupt[2];
- MUSBState *musb;
- USBCallback *delayed_cb[2];
- QEMUTimer *intv_timer[2];
-};
-
-struct MUSBState {
- qemu_irq irqs[musb_irq_max];
- USBBus bus;
- USBPort port;
-
- int idx;
- uint8_t devctl;
- uint8_t power;
- uint8_t faddr;
-
- uint8_t intr;
- uint8_t mask;
- uint16_t tx_intr;
- uint16_t tx_mask;
- uint16_t rx_intr;
- uint16_t rx_mask;
-
- int setup_len;
- int session;
-
- uint8_t buf[0x8000];
-
- /* Duplicating the world since 2008!... probably we should have 32
- * logical, single endpoints instead. */
- MUSBEndPoint ep[16];
-};
-
-void musb_reset(MUSBState *s)
-{
- int i;
-
- s->faddr = 0x00;
- s->devctl = 0;
- s->power = MGC_M_POWER_HSENAB;
- s->tx_intr = 0x0000;
- s->rx_intr = 0x0000;
- s->tx_mask = 0xffff;
- s->rx_mask = 0xffff;
- s->intr = 0x00;
- s->mask = 0x06;
- s->idx = 0;
-
- s->setup_len = 0;
- s->session = 0;
- memset(s->buf, 0, sizeof(s->buf));
-
- /* TODO: _DW */
- s->ep[0].config = MGC_M_CONFIGDATA_SOFTCONE | MGC_M_CONFIGDATA_DYNFIFO;
- for (i = 0; i < 16; i ++) {
- s->ep[i].fifosize = 64;
- s->ep[i].maxp[0] = 0x40;
- s->ep[i].maxp[1] = 0x40;
- s->ep[i].musb = s;
- s->ep[i].epnum = i;
- usb_packet_init(&s->ep[i].packey[0].p);
- usb_packet_init(&s->ep[i].packey[1].p);
- }
-}
-
-struct MUSBState *musb_init(DeviceState *parent_device, int gpio_base)
-{
- MUSBState *s = g_malloc0(sizeof(*s));
- int i;
-
- for (i = 0; i < musb_irq_max; i++) {
- s->irqs[i] = qdev_get_gpio_in(parent_device, gpio_base + i);
- }
-
- musb_reset(s);
-
- usb_bus_new(&s->bus, sizeof(s->bus), &musb_bus_ops, parent_device);
- usb_register_port(&s->bus, &s->port, s, 0, &musb_port_ops,
- USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
-
- return s;
-}
-
-static void musb_vbus_set(MUSBState *s, int level)
-{
- if (level)
- s->devctl |= 3 << MGC_S_DEVCTL_VBUS;
- else
- s->devctl &= ~MGC_M_DEVCTL_VBUS;
-
- qemu_set_irq(s->irqs[musb_set_vbus], level);
-}
-
-static void musb_intr_set(MUSBState *s, int line, int level)
-{
- if (!level) {
- s->intr &= ~(1 << line);
- qemu_irq_lower(s->irqs[line]);
- } else if (s->mask & (1 << line)) {
- s->intr |= 1 << line;
- qemu_irq_raise(s->irqs[line]);
- }
-}
-
-static void musb_tx_intr_set(MUSBState *s, int line, int level)
-{
- if (!level) {
- s->tx_intr &= ~(1 << line);
- if (!s->tx_intr)
- qemu_irq_lower(s->irqs[musb_irq_tx]);
- } else if (s->tx_mask & (1 << line)) {
- s->tx_intr |= 1 << line;
- qemu_irq_raise(s->irqs[musb_irq_tx]);
- }
-}
-
-static void musb_rx_intr_set(MUSBState *s, int line, int level)
-{
- if (line) {
- if (!level) {
- s->rx_intr &= ~(1 << line);
- if (!s->rx_intr)
- qemu_irq_lower(s->irqs[musb_irq_rx]);
- } else if (s->rx_mask & (1 << line)) {
- s->rx_intr |= 1 << line;
- qemu_irq_raise(s->irqs[musb_irq_rx]);
- }
- } else
- musb_tx_intr_set(s, line, level);
-}
-
-uint32_t musb_core_intr_get(MUSBState *s)
-{
- return (s->rx_intr << 15) | s->tx_intr;
-}
-
-void musb_core_intr_clear(MUSBState *s, uint32_t mask)
-{
- if (s->rx_intr) {
- s->rx_intr &= mask >> 15;
- if (!s->rx_intr)
- qemu_irq_lower(s->irqs[musb_irq_rx]);
- }
-
- if (s->tx_intr) {
- s->tx_intr &= mask & 0xffff;
- if (!s->tx_intr)
- qemu_irq_lower(s->irqs[musb_irq_tx]);
- }
-}
-
-void musb_set_size(MUSBState *s, int epnum, int size, int is_tx)
-{
- s->ep[epnum].ext_size[!is_tx] = size;
- s->ep[epnum].fifostart[0] = 0;
- s->ep[epnum].fifostart[1] = 0;
- s->ep[epnum].fifolen[0] = 0;
- s->ep[epnum].fifolen[1] = 0;
-}
-
-static void musb_session_update(MUSBState *s, int prev_dev, int prev_sess)
-{
- int detect_prev = prev_dev && prev_sess;
- int detect = !!s->port.dev && s->session;
-
- if (detect && !detect_prev) {
- /* Let's skip the ID pin sense and VBUS sense formalities and
- * and signal a successful SRP directly. This should work at least
- * for the Linux driver stack. */
- musb_intr_set(s, musb_irq_connect, 1);
-
- if (s->port.dev->speed == USB_SPEED_LOW) {
- s->devctl &= ~MGC_M_DEVCTL_FSDEV;
- s->devctl |= MGC_M_DEVCTL_LSDEV;
- } else {
- s->devctl |= MGC_M_DEVCTL_FSDEV;
- s->devctl &= ~MGC_M_DEVCTL_LSDEV;
- }
-
- /* A-mode? */
- s->devctl &= ~MGC_M_DEVCTL_BDEVICE;
-
- /* Host-mode bit? */
- s->devctl |= MGC_M_DEVCTL_HM;
-#if 1
- musb_vbus_set(s, 1);
-#endif
- } else if (!detect && detect_prev) {
-#if 1
- musb_vbus_set(s, 0);
-#endif
- }
-}
-
-/* Attach or detach a device on our only port. */
-static void musb_attach(USBPort *port)
-{
- MUSBState *s = (MUSBState *) port->opaque;
-
- musb_intr_set(s, musb_irq_vbus_request, 1);
- musb_session_update(s, 0, s->session);
-}
-
-static void musb_detach(USBPort *port)
-{
- MUSBState *s = (MUSBState *) port->opaque;
-
- musb_async_cancel_device(s, port->dev);
-
- musb_intr_set(s, musb_irq_disconnect, 1);
- musb_session_update(s, 1, s->session);
-}
-
-static void musb_child_detach(USBPort *port, USBDevice *child)
-{
- MUSBState *s = (MUSBState *) port->opaque;
-
- musb_async_cancel_device(s, child);
-}
-
-static void musb_cb_tick0(void *opaque)
-{
- MUSBEndPoint *ep = (MUSBEndPoint *) opaque;
-
- ep->delayed_cb[0](&ep->packey[0].p, opaque);
-}
-
-static void musb_cb_tick1(void *opaque)
-{
- MUSBEndPoint *ep = (MUSBEndPoint *) opaque;
-
- ep->delayed_cb[1](&ep->packey[1].p, opaque);
-}
-
-#define musb_cb_tick (dir ? musb_cb_tick1 : musb_cb_tick0)
-
-static void musb_schedule_cb(USBPort *port, USBPacket *packey)
-{
- MUSBPacket *p = container_of(packey, MUSBPacket, p);
- MUSBEndPoint *ep = p->ep;
- int dir = p->dir;
- int timeout = 0;
-
- if (ep->status[dir] == USB_RET_NAK)
- timeout = ep->timeout[dir];
- else if (ep->interrupt[dir])
- timeout = 8;
- else {
- musb_cb_tick(ep);
- return;
- }
-
- if (!ep->intv_timer[dir])
- ep->intv_timer[dir] = timer_new_ns(QEMU_CLOCK_VIRTUAL, musb_cb_tick, ep);
-
- timer_mod(ep->intv_timer[dir], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
- muldiv64(timeout, NANOSECONDS_PER_SECOND, 8000));
-}
-
-static int musb_timeout(int ttype, int speed, int val)
-{
-#if 1
- return val << 3;
-#endif
-
- switch (ttype) {
- case USB_ENDPOINT_XFER_CONTROL:
- if (val < 2)
- return 0;
- else if (speed == USB_SPEED_HIGH)
- return 1 << (val - 1);
- else
- return 8 << (val - 1);
-
- case USB_ENDPOINT_XFER_INT:
- if (speed == USB_SPEED_HIGH)
- if (val < 2)
- return 0;
- else
- return 1 << (val - 1);
- else
- return val << 3;
-
- case USB_ENDPOINT_XFER_BULK:
- case USB_ENDPOINT_XFER_ISOC:
- if (val < 2)
- return 0;
- else if (speed == USB_SPEED_HIGH)
- return 1 << (val - 1);
- else
- return 8 << (val - 1);
- /* TODO: what with low-speed Bulk and Isochronous? */
- }
-
- hw_error("bad interval\n");
-}
-
-static void musb_packet(MUSBState *s, MUSBEndPoint *ep,
- int epnum, int pid, int len, USBCallback cb, int dir)
-{
- USBDevice *dev;
- USBEndpoint *uep;
- int idx = epnum && dir;
- int id;
- int ttype;
-
- /* ep->type[0,1] contains:
- * in bits 7:6 the speed (0 - invalid, 1 - high, 2 - full, 3 - slow)
- * in bits 5:4 the transfer type (BULK / INT)
- * in bits 3:0 the EP num
- */
- ttype = epnum ? (ep->type[idx] >> 4) & 3 : 0;
-
- ep->timeout[dir] = musb_timeout(ttype,
- ep->type[idx] >> 6, ep->interval[idx]);
- ep->interrupt[dir] = ttype == USB_ENDPOINT_XFER_INT;
- ep->delayed_cb[dir] = cb;
-
- /* A wild guess on the FADDR semantics... */
- dev = usb_find_device(&s->port, ep->faddr[idx]);
- if (dev == NULL) {
- return;
- }
- uep = usb_ep_get(dev, pid, ep->type[idx] & 0xf);
- id = pid | (dev->addr << 16) | (uep->nr << 8);
- usb_packet_setup(&ep->packey[dir].p, pid, uep, 0, id, false, true);
- usb_packet_addbuf(&ep->packey[dir].p, ep->buf[idx], len);
- ep->packey[dir].ep = ep;
- ep->packey[dir].dir = dir;
-
- usb_handle_packet(dev, &ep->packey[dir].p);
-
- if (ep->packey[dir].p.status == USB_RET_ASYNC) {
- usb_device_flush_ep_queue(dev, uep);
- ep->status[dir] = len;
- return;
- }
-
- if (ep->packey[dir].p.status == USB_RET_SUCCESS) {
- ep->status[dir] = ep->packey[dir].p.actual_length;
- } else {
- ep->status[dir] = ep->packey[dir].p.status;
- }
- musb_schedule_cb(&s->port, &ep->packey[dir].p);
-}
-
-static void musb_tx_packet_complete(USBPacket *packey, void *opaque)
-{
- /* Unfortunately we can't use packey->devep because that's the remote
- * endpoint number and may be different than our local. */
- MUSBEndPoint *ep = (MUSBEndPoint *) opaque;
- int epnum = ep->epnum;
- MUSBState *s = ep->musb;
-
- ep->fifostart[0] = 0;
- ep->fifolen[0] = 0;
-#ifdef CLEAR_NAK
- if (ep->status[0] != USB_RET_NAK) {
-#endif
- if (epnum)
- ep->csr[0] &= ~(MGC_M_TXCSR_FIFONOTEMPTY | MGC_M_TXCSR_TXPKTRDY);
- else
- ep->csr[0] &= ~MGC_M_CSR0_TXPKTRDY;
-#ifdef CLEAR_NAK
- }
-#endif
-
- /* Clear all of the error bits first */
- if (epnum)
- ep->csr[0] &= ~(MGC_M_TXCSR_H_ERROR | MGC_M_TXCSR_H_RXSTALL |
- MGC_M_TXCSR_H_NAKTIMEOUT);
- else
- ep->csr[0] &= ~(MGC_M_CSR0_H_ERROR | MGC_M_CSR0_H_RXSTALL |
- MGC_M_CSR0_H_NAKTIMEOUT | MGC_M_CSR0_H_NO_PING);
-
- if (ep->status[0] == USB_RET_STALL) {
- /* Command not supported by target! */
- ep->status[0] = 0;
-
- if (epnum)
- ep->csr[0] |= MGC_M_TXCSR_H_RXSTALL;
- else
- ep->csr[0] |= MGC_M_CSR0_H_RXSTALL;
- }
-
- if (ep->status[0] == USB_RET_NAK) {
- ep->status[0] = 0;
-
- /* NAK timeouts are only generated in Bulk transfers and
- * Data-errors in Isochronous. */
- if (ep->interrupt[0]) {
- return;
- }
-
- if (epnum)
- ep->csr[0] |= MGC_M_TXCSR_H_NAKTIMEOUT;
- else
- ep->csr[0] |= MGC_M_CSR0_H_NAKTIMEOUT;
- }
-
- if (ep->status[0] < 0) {
- if (ep->status[0] == USB_RET_BABBLE)
- musb_intr_set(s, musb_irq_rst_babble, 1);
-
- /* Pretend we've tried three times already and failed (in
- * case of USB_TOKEN_SETUP). */
- if (epnum)
- ep->csr[0] |= MGC_M_TXCSR_H_ERROR;
- else
- ep->csr[0] |= MGC_M_CSR0_H_ERROR;
-
- musb_tx_intr_set(s, epnum, 1);
- return;
- }
- /* TODO: check len for over/underruns of an OUT packet? */
-
-#ifdef SETUPLEN_HACK
- if (!epnum && ep->packey[0].pid == USB_TOKEN_SETUP)
- s->setup_len = ep->packey[0].data[6];
-#endif
-
- /* In DMA mode: if no error, assert DMA request for this EP,
- * and skip the interrupt. */
- musb_tx_intr_set(s, epnum, 1);
-}
-
-static void musb_rx_packet_complete(USBPacket *packey, void *opaque)
-{
- /* Unfortunately we can't use packey->devep because that's the remote
- * endpoint number and may be different than our local. */
- MUSBEndPoint *ep = (MUSBEndPoint *) opaque;
- int epnum = ep->epnum;
- MUSBState *s = ep->musb;
-
- ep->fifostart[1] = 0;
- ep->fifolen[1] = 0;
-
-#ifdef CLEAR_NAK
- if (ep->status[1] != USB_RET_NAK) {
-#endif
- ep->csr[1] &= ~MGC_M_RXCSR_H_REQPKT;
- if (!epnum)
- ep->csr[0] &= ~MGC_M_CSR0_H_REQPKT;
-#ifdef CLEAR_NAK
- }
-#endif
-
- /* Clear all of the imaginable error bits first */
- ep->csr[1] &= ~(MGC_M_RXCSR_H_ERROR | MGC_M_RXCSR_H_RXSTALL |
- MGC_M_RXCSR_DATAERROR);
- if (!epnum)
- ep->csr[0] &= ~(MGC_M_CSR0_H_ERROR | MGC_M_CSR0_H_RXSTALL |
- MGC_M_CSR0_H_NAKTIMEOUT | MGC_M_CSR0_H_NO_PING);
-
- if (ep->status[1] == USB_RET_STALL) {
- ep->status[1] = 0;
-
- ep->csr[1] |= MGC_M_RXCSR_H_RXSTALL;
- if (!epnum)
- ep->csr[0] |= MGC_M_CSR0_H_RXSTALL;
- }
-
- if (ep->status[1] == USB_RET_NAK) {
- ep->status[1] = 0;
-
- /* NAK timeouts are only generated in Bulk transfers and
- * Data-errors in Isochronous. */
- if (ep->interrupt[1]) {
- musb_packet(s, ep, epnum, USB_TOKEN_IN,
- packey->iov.size, musb_rx_packet_complete, 1);
- return;
- }
-
- ep->csr[1] |= MGC_M_RXCSR_DATAERROR;
- if (!epnum)
- ep->csr[0] |= MGC_M_CSR0_H_NAKTIMEOUT;
- }
-
- if (ep->status[1] < 0) {
- if (ep->status[1] == USB_RET_BABBLE) {
- musb_intr_set(s, musb_irq_rst_babble, 1);
- return;
- }
-
- /* Pretend we've tried three times already and failed (in
- * case of a control transfer). */
- ep->csr[1] |= MGC_M_RXCSR_H_ERROR;
- if (!epnum)
- ep->csr[0] |= MGC_M_CSR0_H_ERROR;
-
- musb_rx_intr_set(s, epnum, 1);
- return;
- }
- /* TODO: check len for over/underruns of an OUT packet? */
- /* TODO: perhaps make use of e->ext_size[1] here. */
-
- if (!(ep->csr[1] & (MGC_M_RXCSR_H_RXSTALL | MGC_M_RXCSR_DATAERROR))) {
- ep->csr[1] |= MGC_M_RXCSR_FIFOFULL | MGC_M_RXCSR_RXPKTRDY;
- if (!epnum)
- ep->csr[0] |= MGC_M_CSR0_RXPKTRDY;
-
- ep->rxcount = ep->status[1]; /* XXX: MIN(packey->len, ep->maxp[1]); */
- /* In DMA mode: assert DMA request for this EP */
- }
-
- /* Only if DMA has not been asserted */
- musb_rx_intr_set(s, epnum, 1);
-}
-
-static void musb_async_cancel_device(MUSBState *s, USBDevice *dev)
-{
- int ep, dir;
-
- for (ep = 0; ep < 16; ep++) {
- for (dir = 0; dir < 2; dir++) {
- if (!usb_packet_is_inflight(&s->ep[ep].packey[dir].p) ||
- s->ep[ep].packey[dir].p.ep->dev != dev) {
- continue;
- }
- usb_cancel_packet(&s->ep[ep].packey[dir].p);
- /* status updates needed here? */
- }
- }
-}
-
-static void musb_tx_rdy(MUSBState *s, int epnum)
-{
- MUSBEndPoint *ep = s->ep + epnum;
- int pid;
- int total, valid = 0;
- TRACE("start %d, len %d", ep->fifostart[0], ep->fifolen[0] );
- ep->fifostart[0] += ep->fifolen[0];
- ep->fifolen[0] = 0;
-
- /* XXX: how's the total size of the packet retrieved exactly in
- * the generic case? */
- total = ep->maxp[0] & 0x3ff;
-
- if (ep->ext_size[0]) {
- total = ep->ext_size[0];
- ep->ext_size[0] = 0;
- valid = 1;
- }
-
- /* If the packet is not fully ready yet, wait for a next segment. */
- if (epnum && (ep->fifostart[0]) < total)
- return;
-
- if (!valid)
- total = ep->fifostart[0];
-
- pid = USB_TOKEN_OUT;
- if (!epnum && (ep->csr[0] & MGC_M_CSR0_H_SETUPPKT)) {
- pid = USB_TOKEN_SETUP;
- if (total != 8) {
- TRACE("illegal SETUPPKT length of %i bytes", total);
- }
- /* Controller should retry SETUP packets three times on errors
- * but it doesn't make sense for us to do that. */
- }
-
- musb_packet(s, ep, epnum, pid, total, musb_tx_packet_complete, 0);
-}
-
-static void musb_rx_req(MUSBState *s, int epnum)
-{
- MUSBEndPoint *ep = s->ep + epnum;
- int total;
-
- /* If we already have a packet, which didn't fit into the
- * 64 bytes of the FIFO, only move the FIFO start and return. (Obsolete) */
- if (ep->packey[1].p.pid == USB_TOKEN_IN && ep->status[1] >= 0 &&
- (ep->fifostart[1]) + ep->rxcount <
- ep->packey[1].p.iov.size) {
- TRACE("0x%08x, %d", ep->fifostart[1], ep->rxcount );
- ep->fifostart[1] += ep->rxcount;
- ep->fifolen[1] = 0;
-
- ep->rxcount = MIN(ep->packey[0].p.iov.size - (ep->fifostart[1]),
- ep->maxp[1]);
-
- ep->csr[1] &= ~MGC_M_RXCSR_H_REQPKT;
- if (!epnum)
- ep->csr[0] &= ~MGC_M_CSR0_H_REQPKT;
-
- /* Clear all of the error bits first */
- ep->csr[1] &= ~(MGC_M_RXCSR_H_ERROR | MGC_M_RXCSR_H_RXSTALL |
- MGC_M_RXCSR_DATAERROR);
- if (!epnum)
- ep->csr[0] &= ~(MGC_M_CSR0_H_ERROR | MGC_M_CSR0_H_RXSTALL |
- MGC_M_CSR0_H_NAKTIMEOUT | MGC_M_CSR0_H_NO_PING);
-
- ep->csr[1] |= MGC_M_RXCSR_FIFOFULL | MGC_M_RXCSR_RXPKTRDY;
- if (!epnum)
- ep->csr[0] |= MGC_M_CSR0_RXPKTRDY;
- musb_rx_intr_set(s, epnum, 1);
- return;
- }
-
- /* The driver sets maxp[1] to 64 or less because it knows the hardware
- * FIFO is this deep. Bigger packets get split in
- * usb_generic_handle_packet but we can also do the splitting locally
- * for performance. It turns out we can also have a bigger FIFO and
- * ignore the limit set in ep->maxp[1]. The Linux MUSB driver deals
- * OK with single packets of even 32KB and we avoid splitting, however
- * usb_msd.c sometimes sends a packet bigger than what Linux expects
- * (e.g. 8192 bytes instead of 4096) and we get an OVERRUN. Splitting
- * hides this overrun from Linux. Up to 4096 everything is fine
- * though. Currently this is disabled.
- *
- * XXX: mind ep->fifosize. */
- total = MIN(ep->maxp[1] & 0x3ff, sizeof(s->buf));
-
-#ifdef SETUPLEN_HACK
- /* Why should *we* do that instead of Linux? */
- if (!epnum) {
- if (ep->packey[0].p.devaddr == 2) {
- total = MIN(s->setup_len, 8);
- } else {
- total = MIN(s->setup_len, 64);
- }
- s->setup_len -= total;
- }
-#endif
-
- musb_packet(s, ep, epnum, USB_TOKEN_IN, total, musb_rx_packet_complete, 1);
-}
-
-static uint8_t musb_read_fifo(MUSBEndPoint *ep)
-{
- uint8_t value;
- if (ep->fifolen[1] >= 64) {
- /* We have a FIFO underrun */
- TRACE("EP%d FIFO is now empty, stop reading", ep->epnum);
- return 0x00000000;
- }
- /* In DMA mode clear RXPKTRDY and set REQPKT automatically
- * (if AUTOREQ is set) */
-
- ep->csr[1] &= ~MGC_M_RXCSR_FIFOFULL;
- value=ep->buf[1][ep->fifostart[1] + ep->fifolen[1] ++];
- TRACE("EP%d 0x%02x, %d", ep->epnum, value, ep->fifolen[1] );
- return value;
-}
-
-static void musb_write_fifo(MUSBEndPoint *ep, uint8_t value)
-{
- TRACE("EP%d = %02x", ep->epnum, value);
- if (ep->fifolen[0] >= 64) {
- /* We have a FIFO overrun */
- TRACE("EP%d FIFO exceeded 64 bytes, stop feeding data", ep->epnum);
- return;
- }
-
- ep->buf[0][ep->fifostart[0] + ep->fifolen[0] ++] = value;
- ep->csr[0] |= MGC_M_TXCSR_FIFONOTEMPTY;
-}
-
-static void musb_ep_frame_cancel(MUSBEndPoint *ep, int dir)
-{
- if (ep->intv_timer[dir])
- timer_del(ep->intv_timer[dir]);
-}
-
-/* Bus control */
-static uint8_t musb_busctl_readb(void *opaque, int ep, int addr)
-{
- MUSBState *s = (MUSBState *) opaque;
-
- switch (addr) {
- /* For USB2.0 HS hubs only */
- case MUSB_HDRC_TXHUBADDR:
- return s->ep[ep].haddr[0];
- case MUSB_HDRC_TXHUBPORT:
- return s->ep[ep].hport[0];
- case MUSB_HDRC_RXHUBADDR:
- return s->ep[ep].haddr[1];
- case MUSB_HDRC_RXHUBPORT:
- return s->ep[ep].hport[1];
-
- default:
- TRACE("unknown register 0x%02x", addr);
- return 0x00;
- };
-}
-
-static void musb_busctl_writeb(void *opaque, int ep, int addr, uint8_t value)
-{
- MUSBState *s = (MUSBState *) opaque;
-
- switch (addr) {
- case MUSB_HDRC_TXFUNCADDR:
- s->ep[ep].faddr[0] = value;
- break;
- case MUSB_HDRC_RXFUNCADDR:
- s->ep[ep].faddr[1] = value;
- break;
- case MUSB_HDRC_TXHUBADDR:
- s->ep[ep].haddr[0] = value;
- break;
- case MUSB_HDRC_TXHUBPORT:
- s->ep[ep].hport[0] = value;
- break;
- case MUSB_HDRC_RXHUBADDR:
- s->ep[ep].haddr[1] = value;
- break;
- case MUSB_HDRC_RXHUBPORT:
- s->ep[ep].hport[1] = value;
- break;
-
- default:
- TRACE("unknown register 0x%02x", addr);
- break;
- };
-}
-
-static uint16_t musb_busctl_readh(void *opaque, int ep, int addr)
-{
- MUSBState *s = (MUSBState *) opaque;
-
- switch (addr) {
- case MUSB_HDRC_TXFUNCADDR:
- return s->ep[ep].faddr[0];
- case MUSB_HDRC_RXFUNCADDR:
- return s->ep[ep].faddr[1];
-
- default:
- return musb_busctl_readb(s, ep, addr) |
- (musb_busctl_readb(s, ep, addr | 1) << 8);
- };
-}
-
-static void musb_busctl_writeh(void *opaque, int ep, int addr, uint16_t value)
-{
- MUSBState *s = (MUSBState *) opaque;
-
- switch (addr) {
- case MUSB_HDRC_TXFUNCADDR:
- s->ep[ep].faddr[0] = value;
- break;
- case MUSB_HDRC_RXFUNCADDR:
- s->ep[ep].faddr[1] = value;
- break;
-
- default:
- musb_busctl_writeb(s, ep, addr, value & 0xff);
- musb_busctl_writeb(s, ep, addr | 1, value >> 8);
- };
-}
-
-/* Endpoint control */
-static uint8_t musb_ep_readb(void *opaque, int ep, int addr)
-{
- MUSBState *s = (MUSBState *) opaque;
-
- switch (addr) {
- case MUSB_HDRC_TXTYPE:
- return s->ep[ep].type[0];
- case MUSB_HDRC_TXINTERVAL:
- return s->ep[ep].interval[0];
- case MUSB_HDRC_RXTYPE:
- return s->ep[ep].type[1];
- case MUSB_HDRC_RXINTERVAL:
- return s->ep[ep].interval[1];
- case (MUSB_HDRC_FIFOSIZE & ~1):
- return 0x00;
- case MUSB_HDRC_FIFOSIZE:
- return ep ? s->ep[ep].fifosize : s->ep[ep].config;
- case MUSB_HDRC_RXCOUNT:
- return s->ep[ep].rxcount;
-
- default:
- TRACE("unknown register 0x%02x", addr);
- return 0x00;
- };
-}
-
-static void musb_ep_writeb(void *opaque, int ep, int addr, uint8_t value)
-{
- MUSBState *s = (MUSBState *) opaque;
-
- switch (addr) {
- case MUSB_HDRC_TXTYPE:
- s->ep[ep].type[0] = value;
- break;
- case MUSB_HDRC_TXINTERVAL:
- s->ep[ep].interval[0] = value;
- musb_ep_frame_cancel(&s->ep[ep], 0);
- break;
- case MUSB_HDRC_RXTYPE:
- s->ep[ep].type[1] = value;
- break;
- case MUSB_HDRC_RXINTERVAL:
- s->ep[ep].interval[1] = value;
- musb_ep_frame_cancel(&s->ep[ep], 1);
- break;
- case (MUSB_HDRC_FIFOSIZE & ~1):
- break;
- case MUSB_HDRC_FIFOSIZE:
- TRACE("somebody messes with fifosize (now %i bytes)", value);
- s->ep[ep].fifosize = value;
- break;
- default:
- TRACE("unknown register 0x%02x", addr);
- break;
- };
-}
-
-static uint16_t musb_ep_readh(void *opaque, int ep, int addr)
-{
- MUSBState *s = (MUSBState *) opaque;
- uint16_t ret;
-
- switch (addr) {
- case MUSB_HDRC_TXMAXP:
- return s->ep[ep].maxp[0];
- case MUSB_HDRC_TXCSR:
- return s->ep[ep].csr[0];
- case MUSB_HDRC_RXMAXP:
- return s->ep[ep].maxp[1];
- case MUSB_HDRC_RXCSR:
- ret = s->ep[ep].csr[1];
-
- /* TODO: This and other bits probably depend on
- * ep->csr[1] & MGC_M_RXCSR_AUTOCLEAR. */
- if (s->ep[ep].csr[1] & MGC_M_RXCSR_AUTOCLEAR)
- s->ep[ep].csr[1] &= ~MGC_M_RXCSR_RXPKTRDY;
-
- return ret;
- case MUSB_HDRC_RXCOUNT:
- return s->ep[ep].rxcount;
-
- default:
- return musb_ep_readb(s, ep, addr) |
- (musb_ep_readb(s, ep, addr | 1) << 8);
- };
-}
-
-static void musb_ep_writeh(void *opaque, int ep, int addr, uint16_t value)
-{
- MUSBState *s = (MUSBState *) opaque;
-
- switch (addr) {
- case MUSB_HDRC_TXMAXP:
- s->ep[ep].maxp[0] = value;
- break;
- case MUSB_HDRC_TXCSR:
- if (ep) {
- s->ep[ep].csr[0] &= value & 0xa6;
- s->ep[ep].csr[0] |= value & 0xff59;
- } else {
- s->ep[ep].csr[0] &= value & 0x85;
- s->ep[ep].csr[0] |= value & 0xf7a;
- }
-
- musb_ep_frame_cancel(&s->ep[ep], 0);
-
- if ((ep && (value & MGC_M_TXCSR_FLUSHFIFO)) ||
- (!ep && (value & MGC_M_CSR0_FLUSHFIFO))) {
- s->ep[ep].fifolen[0] = 0;
- s->ep[ep].fifostart[0] = 0;
- if (ep)
- s->ep[ep].csr[0] &=
- ~(MGC_M_TXCSR_FIFONOTEMPTY | MGC_M_TXCSR_TXPKTRDY);
- else
- s->ep[ep].csr[0] &=
- ~(MGC_M_CSR0_TXPKTRDY | MGC_M_CSR0_RXPKTRDY);
- }
- if (
- (ep &&
-#ifdef CLEAR_NAK
- (value & MGC_M_TXCSR_TXPKTRDY) &&
- !(value & MGC_M_TXCSR_H_NAKTIMEOUT)) ||
-#else
- (value & MGC_M_TXCSR_TXPKTRDY)) ||
-#endif
- (!ep &&
-#ifdef CLEAR_NAK
- (value & MGC_M_CSR0_TXPKTRDY) &&
- !(value & MGC_M_CSR0_H_NAKTIMEOUT)))
-#else
- (value & MGC_M_CSR0_TXPKTRDY)))
-#endif
- musb_tx_rdy(s, ep);
- if (!ep &&
- (value & MGC_M_CSR0_H_REQPKT) &&
-#ifdef CLEAR_NAK
- !(value & (MGC_M_CSR0_H_NAKTIMEOUT |
- MGC_M_CSR0_RXPKTRDY)))
-#else
- !(value & MGC_M_CSR0_RXPKTRDY))
-#endif
- musb_rx_req(s, ep);
- break;
-
- case MUSB_HDRC_RXMAXP:
- s->ep[ep].maxp[1] = value;
- break;
- case MUSB_HDRC_RXCSR:
- /* (DMA mode only) */
- if (
- (value & MGC_M_RXCSR_H_AUTOREQ) &&
- !(value & MGC_M_RXCSR_RXPKTRDY) &&
- (s->ep[ep].csr[1] & MGC_M_RXCSR_RXPKTRDY))
- value |= MGC_M_RXCSR_H_REQPKT;
-
- s->ep[ep].csr[1] &= 0x102 | (value & 0x4d);
- s->ep[ep].csr[1] |= value & 0xfeb0;
-
- musb_ep_frame_cancel(&s->ep[ep], 1);
-
- if (value & MGC_M_RXCSR_FLUSHFIFO) {
- s->ep[ep].fifolen[1] = 0;
- s->ep[ep].fifostart[1] = 0;
- s->ep[ep].csr[1] &= ~(MGC_M_RXCSR_FIFOFULL | MGC_M_RXCSR_RXPKTRDY);
- /* If double buffering and we have two packets ready, flush
- * only the first one and set up the fifo at the second packet. */
- }
-#ifdef CLEAR_NAK
- if ((value & MGC_M_RXCSR_H_REQPKT) && !(value & MGC_M_RXCSR_DATAERROR))
-#else
- if (value & MGC_M_RXCSR_H_REQPKT)
-#endif
- musb_rx_req(s, ep);
- break;
- case MUSB_HDRC_RXCOUNT:
- s->ep[ep].rxcount = value;
- break;
-
- default:
- musb_ep_writeb(s, ep, addr, value & 0xff);
- musb_ep_writeb(s, ep, addr | 1, value >> 8);
- };
-}
-
-/* Generic control */
-static uint32_t musb_readb(void *opaque, hwaddr addr)
-{
- MUSBState *s = (MUSBState *) opaque;
- int ep, i;
- uint8_t ret;
-
- switch (addr) {
- case MUSB_HDRC_FADDR:
- return s->faddr;
- case MUSB_HDRC_POWER:
- return s->power;
- case MUSB_HDRC_INTRUSB:
- ret = s->intr;
- for (i = 0; i < sizeof(ret) * 8; i ++)
- if (ret & (1 << i))
- musb_intr_set(s, i, 0);
- return ret;
- case MUSB_HDRC_INTRUSBE:
- return s->mask;
- case MUSB_HDRC_INDEX:
- return s->idx;
- case MUSB_HDRC_TESTMODE:
- return 0x00;
-
- case MUSB_HDRC_EP_IDX ... (MUSB_HDRC_EP_IDX + 0xf):
- return musb_ep_readb(s, s->idx, addr & 0xf);
-
- case MUSB_HDRC_DEVCTL:
- return s->devctl;
-
- case MUSB_HDRC_TXFIFOSZ:
- case MUSB_HDRC_RXFIFOSZ:
- case MUSB_HDRC_VCTRL:
- /* TODO */
- return 0x00;
-
- case MUSB_HDRC_HWVERS:
- return (1 << 10) | 400;
-
- case (MUSB_HDRC_VCTRL | 1):
- case (MUSB_HDRC_HWVERS | 1):
- case (MUSB_HDRC_DEVCTL | 1):
- return 0x00;
-
- case MUSB_HDRC_BUSCTL ... (MUSB_HDRC_BUSCTL + 0x7f):
- ep = (addr >> 3) & 0xf;
- return musb_busctl_readb(s, ep, addr & 0x7);
-
- case MUSB_HDRC_EP ... (MUSB_HDRC_EP + 0xff):
- ep = (addr >> 4) & 0xf;
- return musb_ep_readb(s, ep, addr & 0xf);
-
- case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f):
- ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf;
- return musb_read_fifo(s->ep + ep);
-
- default:
- TRACE("unknown register 0x%02x", (int) addr);
- return 0x00;
- };
-}
-
-static void musb_writeb(void *opaque, hwaddr addr, uint32_t value)
-{
- MUSBState *s = (MUSBState *) opaque;
- int ep;
-
- switch (addr) {
- case MUSB_HDRC_FADDR:
- s->faddr = value & 0x7f;
- break;
- case MUSB_HDRC_POWER:
- s->power = (value & 0xef) | (s->power & 0x10);
- /* MGC_M_POWER_RESET is also read-only in Peripheral Mode */
- if ((value & MGC_M_POWER_RESET) && s->port.dev) {
- usb_device_reset(s->port.dev);
- /* Negotiate high-speed operation if MGC_M_POWER_HSENAB is set. */
- if ((value & MGC_M_POWER_HSENAB) &&
- s->port.dev->speed == USB_SPEED_HIGH)
- s->power |= MGC_M_POWER_HSMODE; /* Success */
- /* Restart frame counting. */
- }
- if (value & MGC_M_POWER_SUSPENDM) {
- /* When all transfers finish, suspend and if MGC_M_POWER_ENSUSPEND
- * is set, also go into low power mode. Frame counting stops. */
- /* XXX: Cleared when the interrupt register is read */
- }
- if (value & MGC_M_POWER_RESUME) {
- /* Wait 20ms and signal resuming on the bus. Frame counting
- * restarts. */
- }
- break;
- case MUSB_HDRC_INTRUSB:
- break;
- case MUSB_HDRC_INTRUSBE:
- s->mask = value & 0xff;
- break;
- case MUSB_HDRC_INDEX:
- s->idx = value & 0xf;
- break;
- case MUSB_HDRC_TESTMODE:
- break;
-
- case MUSB_HDRC_EP_IDX ... (MUSB_HDRC_EP_IDX + 0xf):
- musb_ep_writeb(s, s->idx, addr & 0xf, value);
- break;
-
- case MUSB_HDRC_DEVCTL:
- s->session = !!(value & MGC_M_DEVCTL_SESSION);
- musb_session_update(s,
- !!s->port.dev,
- !!(s->devctl & MGC_M_DEVCTL_SESSION));
-
- /* It seems this is the only R/W bit in this register? */
- s->devctl &= ~MGC_M_DEVCTL_SESSION;
- s->devctl |= value & MGC_M_DEVCTL_SESSION;
- break;
-
- case MUSB_HDRC_TXFIFOSZ:
- case MUSB_HDRC_RXFIFOSZ:
- case MUSB_HDRC_VCTRL:
- /* TODO */
- break;
-
- case (MUSB_HDRC_VCTRL | 1):
- case (MUSB_HDRC_DEVCTL | 1):
- break;
-
- case MUSB_HDRC_BUSCTL ... (MUSB_HDRC_BUSCTL + 0x7f):
- ep = (addr >> 3) & 0xf;
- musb_busctl_writeb(s, ep, addr & 0x7, value);
- break;
-
- case MUSB_HDRC_EP ... (MUSB_HDRC_EP + 0xff):
- ep = (addr >> 4) & 0xf;
- musb_ep_writeb(s, ep, addr & 0xf, value);
- break;
-
- case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f):
- ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf;
- musb_write_fifo(s->ep + ep, value & 0xff);
- break;
-
- default:
- TRACE("unknown register 0x%02x", (int) addr);
- break;
- };
-}
-
-static uint32_t musb_readh(void *opaque, hwaddr addr)
-{
- MUSBState *s = (MUSBState *) opaque;
- int ep, i;
- uint16_t ret;
-
- switch (addr) {
- case MUSB_HDRC_INTRTX:
- ret = s->tx_intr;
- /* Auto clear */
- for (i = 0; i < sizeof(ret) * 8; i ++)
- if (ret & (1 << i))
- musb_tx_intr_set(s, i, 0);
- return ret;
- case MUSB_HDRC_INTRRX:
- ret = s->rx_intr;
- /* Auto clear */
- for (i = 0; i < sizeof(ret) * 8; i ++)
- if (ret & (1 << i))
- musb_rx_intr_set(s, i, 0);
- return ret;
- case MUSB_HDRC_INTRTXE:
- return s->tx_mask;
- case MUSB_HDRC_INTRRXE:
- return s->rx_mask;
-
- case MUSB_HDRC_FRAME:
- /* TODO */
- return 0x0000;
- case MUSB_HDRC_TXFIFOADDR:
- return s->ep[s->idx].fifoaddr[0];
- case MUSB_HDRC_RXFIFOADDR:
- return s->ep[s->idx].fifoaddr[1];
-
- case MUSB_HDRC_EP_IDX ... (MUSB_HDRC_EP_IDX + 0xf):
- return musb_ep_readh(s, s->idx, addr & 0xf);
-
- case MUSB_HDRC_BUSCTL ... (MUSB_HDRC_BUSCTL + 0x7f):
- ep = (addr >> 3) & 0xf;
- return musb_busctl_readh(s, ep, addr & 0x7);
-
- case MUSB_HDRC_EP ... (MUSB_HDRC_EP + 0xff):
- ep = (addr >> 4) & 0xf;
- return musb_ep_readh(s, ep, addr & 0xf);
-
- case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f):
- ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf;
- return (musb_read_fifo(s->ep + ep) | musb_read_fifo(s->ep + ep) << 8);
-
- default:
- return musb_readb(s, addr) | (musb_readb(s, addr | 1) << 8);
- };
-}
-
-static void musb_writeh(void *opaque, hwaddr addr, uint32_t value)
-{
- MUSBState *s = (MUSBState *) opaque;
- int ep;
-
- switch (addr) {
- case MUSB_HDRC_INTRTXE:
- s->tx_mask = value;
- /* XXX: the masks seem to apply on the raising edge like with
- * edge-triggered interrupts, thus no need to update. I may be
- * wrong though. */
- break;
- case MUSB_HDRC_INTRRXE:
- s->rx_mask = value;
- break;
-
- case MUSB_HDRC_FRAME:
- /* TODO */
- break;
- case MUSB_HDRC_TXFIFOADDR:
- s->ep[s->idx].fifoaddr[0] = value;
- s->ep[s->idx].buf[0] =
- s->buf + ((value << 3) & 0x7ff );
- break;
- case MUSB_HDRC_RXFIFOADDR:
- s->ep[s->idx].fifoaddr[1] = value;
- s->ep[s->idx].buf[1] =
- s->buf + ((value << 3) & 0x7ff);
- break;
-
- case MUSB_HDRC_EP_IDX ... (MUSB_HDRC_EP_IDX + 0xf):
- musb_ep_writeh(s, s->idx, addr & 0xf, value);
- break;
-
- case MUSB_HDRC_BUSCTL ... (MUSB_HDRC_BUSCTL + 0x7f):
- ep = (addr >> 3) & 0xf;
- musb_busctl_writeh(s, ep, addr & 0x7, value);
- break;
-
- case MUSB_HDRC_EP ... (MUSB_HDRC_EP + 0xff):
- ep = (addr >> 4) & 0xf;
- musb_ep_writeh(s, ep, addr & 0xf, value);
- break;
-
- case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f):
- ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf;
- musb_write_fifo(s->ep + ep, value & 0xff);
- musb_write_fifo(s->ep + ep, (value >> 8) & 0xff);
- break;
-
- default:
- musb_writeb(s, addr, value & 0xff);
- musb_writeb(s, addr | 1, value >> 8);
- };
-}
-
-static uint32_t musb_readw(void *opaque, hwaddr addr)
-{
- MUSBState *s = (MUSBState *) opaque;
- int ep;
-
- switch (addr) {
- case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f):
- ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf;
- return ( musb_read_fifo(s->ep + ep) |
- musb_read_fifo(s->ep + ep) << 8 |
- musb_read_fifo(s->ep + ep) << 16 |
- musb_read_fifo(s->ep + ep) << 24 );
- default:
- TRACE("unknown register 0x%02x", (int) addr);
- return 0x00000000;
- };
-}
-
-static void musb_writew(void *opaque, hwaddr addr, uint32_t value)
-{
- MUSBState *s = (MUSBState *) opaque;
- int ep;
-
- switch (addr) {
- case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f):
- ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf;
- musb_write_fifo(s->ep + ep, value & 0xff);
- musb_write_fifo(s->ep + ep, (value >> 8 ) & 0xff);
- musb_write_fifo(s->ep + ep, (value >> 16) & 0xff);
- musb_write_fifo(s->ep + ep, (value >> 24) & 0xff);
- break;
- default:
- TRACE("unknown register 0x%02x", (int) addr);
- break;
- };
-}
-
-MUSBReadFunc * const musb_read[] = {
- musb_readb,
- musb_readh,
- musb_readw,
-};
-
-MUSBWriteFunc * const musb_write[] = {
- musb_writeb,
- musb_writeh,
- musb_writew,
-};
diff --git a/hw/usb/Kconfig b/hw/usb/Kconfig
index 0bffcda1b19..5fbecd2f43b 100644
--- a/hw/usb/Kconfig
+++ b/hw/usb/Kconfig
@@ -53,10 +53,6 @@ config USB_XHCI_SYSBUS
bool
select USB_XHCI
-config USB_MUSB
- bool
- select USB
-
config USB_DWC2
bool
select USB
diff --git a/hw/usb/meson.build b/hw/usb/meson.build
index ae901481597..1b4d1507e41 100644
--- a/hw/usb/meson.build
+++ b/hw/usb/meson.build
@@ -23,7 +23,6 @@ system_ss.add(when: 'CONFIG_USB_XHCI', if_true: files('hcd-xhci.c'))
system_ss.add(when: 'CONFIG_USB_XHCI_PCI', if_true: files('hcd-xhci-pci.c'))
system_ss.add(when: 'CONFIG_USB_XHCI_SYSBUS', if_true: files('hcd-xhci-sysbus.c'))
system_ss.add(when: 'CONFIG_USB_XHCI_NEC', if_true: files('hcd-xhci-nec.c'))
-system_ss.add(when: 'CONFIG_USB_MUSB', if_true: files('hcd-musb.c'))
system_ss.add(when: 'CONFIG_USB_DWC2', if_true: files('hcd-dwc2.c'))
system_ss.add(when: 'CONFIG_USB_DWC3', if_true: files('hcd-dwc3.c'))
--
2.34.1© 2016 - 2024 Red Hat, Inc.